#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int a = 0;
	int b = 0;
	int c = 0;
	int d = 0;
	int ret = scanf("%d %d %d %d", &a,&b,&c,&d);
	printf("a=%d b=%d c=%d d=%d\n", a, b, c, d);

	printf("ret=%d\n", ret);

	return 0;
}